YAMAHA QY-300 Sequencer - Used Includes shipping: 7,560 yen No manual or box Adapter included Please note: This is a used item. It is being sold as-is, and we will not accept any claims or returns. Please refrain from purchasing if you cannot agree to these terms. I do not know the detailed operations. Condition: I checked the cursor, etc., randomly by turning on the power with the adapter, and the display switches each time. I am not sure about the brightness of the LCD, so please check the images. I have not checked the floppy disk drive. Despite this condition, thank you for your consideration.